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  • Question
  • In a four speed four-stroke Diesel engine, the intake valve


  • Options
  • A. opens at T.D.C. and closes at B.D.C.
  • B. opens at 20° before T.D.C. and closes at 35° after B.D.C.
  • C. opens at 10° after T.D.C. and closes at 20° before B.D.C.
  • D. none of the above

  • Correct Answer
  • opens at 20° before T.D.C. and closes at 35° after B.D.C. 


  • Automobile Engineering problems


    Search Results


    • 1. The most accurate ignition system of a spark ignition engine is

    • Options
    • A. magneto system
    • B. battery system
    • C. electronic control unit system
    • D. magneto and electronic system
    • Discuss
    • 2. The order in which effort applied to the steering wheel is transferred to the front wheel is

    • Options
    • A. steering wheel - steering gearbox - steering shaft - tie rod - steering knuckle - front wheels
    • B. steering wheel - steering shaft - steering gearbox - tie rod - steering kunckle -front wheels
    • C. steering wheel - steering shaft - steering gearbox - steering knuckle - tie rod - front wheels
    • D. steering wheel - tie rod - steering gearbox - steering shaft - steering knuckle - front wheels
    • Discuss
    • 3. The timing belt is attached to the camshaft pulley and

    • Options
    • A. timing belt drive pulley
    • B. distributor
    • C. radiator fan pulley
    • D. alternator pulley
    • Discuss
    • 4. Two general types of tyres are

    • Options
    • A. tube type and tubeless
    • B. solid and tubeless
    • C. air and pneumatic
    • D. split-rim and drop centre
    • Discuss
    • 5. A three way catalytic converter

    • Options
    • A. recirculates exhaust gasses
    • B. burns fuel vapaour gasses
    • C. reduces N2, H2O, and CO2 emission levels
    • D. removes CO, HC, and NO2 from the exhaust gasses passing through it
    • Discuss
    • 6. The best fuels for compression ignition engines are

    • Options
    • A. straight chain paraffins
    • B. aromatics
    • C. branched chain paraffins
    • D. napthalenes
    • Discuss
    • 7. When cornering, the differential generates a difference in the speed of the left and right wheels.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. The advantage of having a tandem master cylinder arrangement in automobiles is that it

    • Options
    • A. enhances safety by serving two independent lines in a divided-line brake circuit
    • B. enhances safety by activating the brakes using vacuum pressure in the event of brake fluid loss
    • C. supplies equal fluid pressure to each line of a divided-line brake circuit, thereby preventing the brakes from dragging on one side
    • D. boosts the brake fluid pressure to reduce the force required to depress the brake pedal
    • Discuss
    • 9. Damper is also known as

    • Options
    • A. shock absorber
    • B. torsion bar
    • C. spring
    • D. radius rod
    • Discuss
    • 10. A battery can be charged by

    • Options
    • A. adding distilled water
    • B. adding sulphuric acid
    • C. applying voltage in the reverse direction to that of charging
    • D. applying a voltage in the same direction to that of charging
    • Discuss


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